2006-P10221 - new septic system - Laserfiche WebLink

Home Browse Search

G, MC�UND SLOPE WIDTH & LENGTH Landslope > 1% slope � (landslope greater than 1%) v d o�e�� 1. Downslope absorption width = absorption width (F) � ° �� o a o minus rock layer width (D2) ' °� °p�a��g� P ! s•Ta 5oa (� ( ��,� i . CleanSand!•�7ft ��i �� / 1 l - { � ft = �_ft eparat on��2�'} ft � � �� Reslri<ling Layer Upslope Wideh(G2d) Rock W' lh(D2) ��'nslope Wid�h(G2i) 2. Calculate mound size q " __ _��'_f� �� H UPSLOPE a. Depth of clean sand fill at upslope edge of Absoryljq�Widflh�Sand(F� rock layer = 3 ft minus the distance to restricting layer (C1) `� 3ft- a �-r- ft = .D ft b. Mound height at the upslope edge of rock D-34: SLOPE MULTIPLIER TABLE layer = depth of clean sand for separation (G2a) L�,a UPSLOPE DOWNSLOPE at u slo e ed e lus de th of rock layer (1 ft) s,o�e mullipliers forvarious �,�,��pliers forvarious p p g p p �� slope ratios slope ratios plus depth of cover (1 ft) 3:] 4:1 5:1 6:1 7:1 8:1 3:1 4:1 5:] 6:1 7:1 � � ft + 1ft + lft = � . P ft 0 3.0 9.0 5.0 6.0 7.0 8.0 3.0 4.0 5.0 6.0 7.0 c. Upslope berm multiplier based on land slope 1 Z•91 3.85 4.76 5.66 6.59 7.41 3.09 4.17 5.26 6.38 7.53 .� �Z (see figure D-34) 2 Z•83 3.70 4.54 5.36 6.14 6.90 3.19 4.35 5.56 6.82 8.14 . d. Upslope width = berm multiplier (G2c) times 3 Z•�5 3.57 9.35 5.08 5.79 6.45 3.30 4.54 5.88 7.32 8.66 9 2.68 3.45 4.17 9.89 5.46 6.06 3.91 4.76 6.25 7.89 9.72 upslope mound height (G2b): 5 2.61 3.33 4.00 4.62 5.19 5.71 3.53 5.00 6.67 8.57 10.77 3�t`z. x 3 ft = �_ ft 6 2.54 3.23 3.85 4.41 9.93 5.91 3.66 5.26 7.14 9.38 12.07 D04VNSLOPE 7 2.48 .12 3.70 4.23 4.70 5.13 3.80 5.56 7.69 10.34 13.73 e. Drop in elevation = rock layer width (D2) times 8 Z.g2 3.03 3.57 4.05 9.49 4.88 3.95 5.88 8.33 11.54 ]5.91 percent landslope (C5) = 100 . 9 2.36 2.99 3.45 3.90 4.30 9.65 4.11 6.25 9.09 ]3.04 ]8.92 �� ft X �_%_T 1�� _ !�_lt ]0 2.31 2.86 3.33 3.75 9.12 4.99 4.29 6.67 ]0.00 ]5.00 23.33 f. Downslope mound height = depth of clean 11 2.26 2.78 3.23 3.61 3.95 4.26 9.48 7.14 ]l.l] ]7.65 30.93 sand for slope difference (G2e) at downslope � Z•Zl 2.70 3.12 3.99 3.80 4.08 4.69 7.69 12.50 21.93 93.75 rock edge plus the mound height at the upslope edge of rock layer (G2b) ,� ft + �') ft = �. ft g. Downslope berm multiplier based on percent land slop S�S�- (see figure D-34) ' �� - h. Downslope width = downslope multiplier � �'�� Upslope Wii th(G4d) (G2g) times downslope mound height (G2� �o �'•�G"� X �-��•�� ft = a I 1 t ' Rock Bed m Upslo e Width(G2d) � Upslope Width(G2d) � �.�ft Width(D2) �� _ft i. Select the greater of G1 and G2h as the � LengUi(D3) �� downslope width: a ) ft � ` Downslope Width(G2i) a► f, j. Total mound width is the sum of upslope � AbsorP[ion Width(F) 17 width (G2d) width plus rock layer width �-' (D2) plus downslope width (G2i) Total Leng[h(G2k) 10`� f� �_ ft + �o ft + �_ft = �_ft k. Total mound length is the sum of upslope width (G2d) plus rock layer length (D3) plus upslope width (G2d) �ft + t�� ft + �_ ft = � feet a� a- (��, -�- a, M �o� Final Dimensions: ��o� x _ 9a'��- I hereby certify that I have ompleted this work in accordance with applicable ordinances, rules and laws. G��.=._.�� l ..x- _�_.,__.�.,_� � - -- - (signature) �`�7'-} (license#) S-�� Ot.► (date)